I have used this Polycell Stain Stop a lot and on a variety of different surfaces. From ceiling tiles, painted walls and knot stains showing through on painted wooden doors and it works on all of them. To explain how good this works I tried re-painting ceiling tiles that had stains from a leak in the roof from water running over wooden beams. So the stains were reasonably heavy brown. I re-painted the stain 3 or 4 times with emulsion but the stains still showed through. So I tried this stain stop with one reasonable coating and re-painted and the stain disappeared for good This stain stop is great value and I definitely recommend it
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easy to use and effective
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This is very easy to us but do cover things up if spraying the ceiling.
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price is getting higher, but this product is excellent for covering water stains after a leak and I would not buy any other product.
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Easy to use covers very well and a good stain blocker
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